package com.qf.service;

import com.qf.pojo.Catalog;

import java.util.List;

/**
 * Created by Administrator on 2021/10/19.
 */
public interface CatalogService {

    //List<Catalog> selectCatalogByLevel(int level,int param);

    /**
     *
     * 一级类别
     * @return
     */
    List<Catalog> selectCatalogByLevel1();

    /**
     *
     *二级类别
     * @param line 行号
     * @return
     */
    List<Catalog> selectCatalogByLevel2(int line);

    /**
     *
     * 三级类别
     * @param parent 父级别
     * @return
     */
    List<Catalog> selectCatalogByLevel3(int parent);
}
